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The patent EP3682241 was granted to Brahms on Sep 10, 2025. The application was filed on Sep 13, 2018 under application number EP18765658A. The patent is currently recorded with a legal status of "Patent Maintained As Amended".

Patent oppositions filed by competitors challenge the validity of a granted patent. These oppositions are typically based on claims of prior art, lack of novelty, or non-obviousness. They are a key part of the process for determining a patent's strength and enforceability.
| Company | Opposition Date | Representative | Opposition Status |
|---|---|---|---|
| DOMPATENT VON KREISLER SELTING WERNER PARTNERSCHAFT VON PATENTANWALTEN UND RECHTSANWALTEN MBB | Dec 30, 2022 | DOMPATENT VON KREISLER SELTING WERNER | ADMISSIBLE |
| DOMPATENT VON KREISLER SELTING WERNER PARTNERSCHAFT VON PATENTANWALTEN UND RECHTSANWALTEN MBB | Dec 30, 2022 | DOMPATENT VON PATENT UND RECHTSANWALTEN | ADMISSIBLE |
Patent citations refer to prior patents cited during different phases such as opposition or international search.
| Citation Phase | Publication Number |
|---|---|
| DESCRIPTION | EP0180492 |
| DESCRIPTION | EP0539477 |
| DESCRIPTION | US4882733 |
| INTERNATIONAL-SEARCH-REPORT | WO2010139475 |
| OPPOSITION | WO2019053117 |
The dossier documents provide a comprehensive record of the patent's prosecution history - including filings, correspondence, and decisions made by patent offices - and are crucial for understanding the patent's legal journey and any challenges it may have faced during examination.
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Description
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Decision to grant a European patent
Search/Exam
Feb 16, 2022
(Electronic) Receipt
Search/Exam
Feb 16, 2022
Filing of the translations of the claims
Search/Exam
Feb 16, 2022
French translation of claims
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German translation of the claims
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Feb 16, 2022
Letter accompanying subsequently filed items
Search/Exam
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Intention to grant (signatures)
Search/Exam
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Text intended for grant (clean copy)
Search/Exam
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Text intended for grant (sequence listing)
Search/Exam
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(Electronic) Receipt
Search/Exam
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Amended claims with annotations
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Claims
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Letter accompanying subsequently filed items
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Annex to the communication
Search/Exam
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Communication from the Examining Division
Search/Exam
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Examination started
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(Electronic) Receipt
Search/Exam
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Amended description with annotations
Search/Exam
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Amendments received before examination
Search/Exam
Oct 16, 2020
Letter accompanying subsequently filed items
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Communication to designated inventor
Search/Exam
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Change to the inventor details
Search/Exam
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(Electronic) Receipt
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Letter accompanying subsequently filed items
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Letter concerning the inventor
Search/Exam
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Letter which had not been notified
Search/Exam
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Communication to designated inventor
Search/Exam
Apr 15, 2020
Priority search results copy provided by EPO
Search/Exam
Apr 8, 2020
(Electronic) Receipt
Search/Exam
Apr 8, 2020
Request for entry into the European phase
Search/Exam
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Information on entry into European phase
Search/Exam
Aug 12, 2019
Notification of election of EPO
Search/Exam
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PCT demand form
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Converted Sequence Listing
Search/Exam
Mar 21, 2019
Copy of the international search report
Search/Exam
Mar 21, 2019
Published international application - A1
Search/Exam
Oct 11, 2018
ISR: cited documents
PCTISA
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(Electronic) Receipt
PCTRO
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PCTRO
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PCTRO
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PCTRO
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